CN219345094U - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN219345094U CN219345094U CN202320007821.2U CN202320007821U CN219345094U CN 219345094 U CN219345094 U CN 219345094U CN 202320007821 U CN202320007821 U CN 202320007821U CN 219345094 U CN219345094 U CN 219345094U
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- CN
- China
- Prior art keywords
- centrifugal pump
- heat dissipation
- bottom plate
- rectangular
- heat conduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 56
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 claims abstract description 18
- 239000006096 absorbing agent Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000000741 silica gel Substances 0.000 claims description 21
- 229910002027 silica gel Inorganic materials 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a centrifugal pump, which comprises a fixed type non-cover support shell, a rectangular support bottom plate, a centrifugal pump shell and a heat dissipation motor, wherein seat type shock absorbers are arranged around the lower end of the inner part of the fixed type non-cover support shell, the rectangular support bottom plate is transversely positioned in the fixed type non-cover support shell and horizontally arranged at the upper ends of a plurality of seat type shock absorbers, a rectangular through groove is formed in the middle of the lower end of the fixed type non-cover support shell in a penetrating way, a dustproof filter screen is horizontally arranged at the lower end of the inner part of the rectangular through groove, a rectangular plastic pore plate is horizontally arranged at the upper end of the inner part of the rectangular through groove, a motor fixing frame is arranged at the lower end of the fixed type non-cover support shell, and the heat dissipation motor is arranged in the motor fixing frame.
Description
Technical Field
The utility model relates to a centrifugal pump, and belongs to the technical field of centrifugal pump equipment.
Background
The centrifugal pump is a pump that conveys liquid by centrifugal force generated when the impeller rotates, and when the centrifugal pump is operated for a long time, the centrifugal pump is overheated as a whole.
Chinese patent No.: CN216691625U has mentioned a effectual centrifugal pump of shock attenuation, through setting up the problem that the centrifugal pump in-process that the solution that dual shock-absorbing structure can be better produced vibrations, can reduce vibrations by a wide margin, reduce the noise that the centrifugal pump produced in the use, and can protect the centrifugal pump, increase of service life, and shock attenuation in-process stability is stronger, improve the rebound effect, prevent to appear the poor condition that influences shock-absorbing function of shock attenuation rebound effect, improve the result of use, but the device only possesses shock-absorbing function, the function is comparatively single, can not carry out auxiliary heat dissipation to the centrifugal pump in the work, the present urgent need centrifugal pump solves the problem that above-mentioned appears.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the centrifugal pump so as to solve the problems in the background art.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a centrifugal pump, includes fixed uncovered supporting shell, rectangle supporting baseplate, centrifugal pump shell and heat dissipation motor, all install seat formula bumper shock absorber around the inside lower extreme of fixed uncovered supporting shell, the rectangle supporting baseplate transversely is located inside the fixed uncovered supporting shell, and the horizontal installation is in a plurality of seat formula bumper shock absorbers upper ends, the rectangle logical groove has been seted up in the middle of the fixed uncovered supporting shell lower extreme, dustproof filter screen is installed to rectangle logical inslot portion lower extreme level, rectangle plastics orifice plate is installed to rectangle logical inslot portion upper end level, the motor mount is installed to fixed uncovered supporting shell lower extreme, the heat dissipation motor is installed inside the motor mount, the plastics heat dissipation flabellum is installed to heat dissipation motor upper end, rectangle supporting baseplate upper end laminating has soft heat conduction silica gel piece, centrifugal pump heat conduction baseplate is installed to centrifugal pump shell lower extreme an organic whole, centrifugal pump heat conduction baseplate is located rectangle supporting baseplate, and laminating is at soft heat conduction silica gel upper end, centrifugal pump shell annular side cover has the helical tube, be provided with the coolant in the helical tube.
Further, high-strength stainless steel supporting legs are arranged around the lower end of the fixed type non-cover supporting shell.
Further, the fixed type non-cover support shell is characterized in that the left end and the right end of the inside of the fixed type non-cover support shell are respectively provided with a mounting groove, the front end and the rear end of the inside of each mounting groove are respectively and longitudinally provided with a stainless steel fixing rod, and the upper ends of the two mounting grooves are respectively and fixedly provided with a fixed type bar baffle.
Further, a plurality of stainless steel dead lever other ends are fixed respectively in the front and back sides of two fixed bar baffle lower extreme, and a plurality of stainless steel dead lever annular side has all overlapped two small-size reset springs and a cylindrical spacing lantern ring.
Further, each cylindrical limit lantern ring is located between two small-size reset springs respectively, and the bottom plate connecting block is all installed to a plurality of cylindrical limit lantern rings other end, and a plurality of bottom plate connecting block are fixed mutually around with the rectangle supporting baseplate respectively.
Further, the heat dissipation motor is located right above the rectangular plastic hole plate, and the heat dissipation motor is located right below the rectangular supporting bottom plate.
Further, the centrifugal pump heat conduction bottom plate, the soft heat conduction silica gel sheet and the rectangular support bottom plate are fixedly installed through bolts, a plurality of second round heat dissipation through holes are formed in the upper end of the centrifugal pump heat conduction bottom plate in a penetrating mode, a plurality of third round heat dissipation through holes are formed in the upper end of the soft heat conduction silica gel sheet in a penetrating mode, and a plurality of first round heat dissipation through holes are formed in the upper end of the centrifugal pump heat conduction bottom plate in a penetrating mode.
Further, the first circular heat dissipation through holes, the third circular heat dissipation through holes and the second circular heat dissipation through holes are all communicated and connected.
The utility model has the beneficial effects that: according to the centrifugal pump, the fixed non-cover supporting shell, the fixed strip-shaped baffle plate, the stainless steel fixing rod, the small reset spring, the cylindrical limit lantern ring, the bottom plate connecting block, the rectangular supporting bottom plate, the seat type shock absorber, the dustproof filter screen, the rectangular plastic pore plate, the heat dissipation motor, the plastic heat dissipation fan blade, the soft heat conduction silica gel sheet, the heat conduction bottom plate of the centrifugal pump and the spiral heat dissipation pipe are added, so that the centrifugal pump has good practicality, has a shock absorption function, has a good heat dissipation function, can conduct auxiliary heat dissipation on the centrifugal pump, has a reasonable structure, and is beneficial to popularization.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a perspective view of the overall structure of a centrifugal pump according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a centrifugal pump according to the present utility model;
FIG. 3 is a schematic view of a three-dimensional connection of a cylindrical stop collar of a centrifugal pump according to the present utility model;
FIG. 4 is a perspective view of a heat dissipating motor of a centrifugal pump according to the present utility model;
FIG. 5 is a schematic perspective view of a rectangular plastic orifice plate of a centrifugal pump according to the present utility model;
in the figure: the novel heat-conducting plate comprises 1-high-strength stainless steel supporting legs, 2-fixed non-cover supporting shells, 3-fixed strip-shaped baffle plates, 4-stainless steel fixing rods, 5-small reset springs, 6-cylindrical limit lantern rings, 7-bottom plate connecting blocks, 8-rectangular supporting bottom plates, 9-seat shock absorbers, 10-rectangular through grooves, 11-dustproof filter screens, 12-rectangular plastic pore plates, 13-motor fixing frames, 14-heat-radiating motors, 15-plastic heat-radiating fan blades, 16-first round heat-radiating through holes, 17-soft heat-conducting silica gel sheets, 18-centrifugal pump heat-conducting bottom plates, 19-centrifugal pump shells, 20-second round heat-radiating through holes, 21-spiral heat-radiating pipes and 22 third round heat-radiating through holes.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a centrifugal pump, including fixed uncovered supporting shell 2, rectangular support bottom plate 8, centrifugal pump housing 19 and heat dissipation motor 14, seat formula bumper shock absorber 9 is all installed around to the inside lower extreme of fixed uncovered supporting shell 2, rectangular support bottom plate 8 transversely is located inside fixed uncovered supporting shell 2, and install in the middle of a plurality of seat formula bumper shock absorbers 9 upper ends horizontally, rectangular through groove 10 has been seted up in the middle of the fixed uncovered supporting shell 2 lower extreme, dustproof filter screen 11 is installed to the inside lower extreme level of rectangular through groove 10, rectangular plastic orifice plate 12 is installed to the inside upper end level of rectangular through groove 10, motor mount 13 is installed to fixed uncovered supporting shell 2 lower extreme, heat dissipation motor 14 installs inside motor mount 13, plastic heat dissipation flabellum 15 is installed to heat dissipation motor 14 upper end, flexible heat conduction silica gel piece 17 is laminated to rectangular support bottom plate 8 upper end, centrifugal pump housing 19 lower extreme integral type is installed centrifugal pump heat conduction bottom plate 18, centrifugal pump heat conduction bottom plate 18 is located inside rectangular support bottom plate 8, and the laminating is at flexible heat conduction silica piece 17 upper end, centrifugal 19 annular side cover has helical tube 21, be provided with cooling fluid in the helical heat dissipation tube 21, this design has only had the auxiliary heat dissipation function to the centrifugal pump that can not be solved in the design.
As a first embodiment of the present utility model: the periphery of the lower end of the fixed non-cover support shell 2 is provided with high-strength stainless steel support legs 1.
The fixed non-cover support shell 2 is inside to be controlled the end and all has been offered the mounting groove, the inside front and back end of two mounting grooves is all vertically provided with stainless steel dead lever 4, two mounting groove upper ends all are fixed with fixed bar baffle 3, fixed bar baffle 3 of interpolation can prevent that a plurality of small-size reset springs 5 from shifting out from a plurality of stainless steel dead lever 4 upper ends, the front and back sides at two fixed bar baffle 3 lower extreme are fixed respectively to a plurality of stainless steel dead lever 4 other ends, a plurality of stainless steel dead lever 4 annular sides all overlap two small-size reset springs 5 and a cylindrical spacing lantern ring 6, every cylindrical spacing lantern ring 6 is located between two small-size reset springs 5 respectively, and a plurality of cylindrical spacing lantern ring 6 other ends all install bottom connection piece 7, a plurality of bottom connection piece 7 are fixed with rectangle support bottom plate 8 all around respectively, and can carry out the slip of upper and lower direction between two small-size reset springs 5 through cylindrical spacing lantern ring 6 of interpolation, and then when rectangle support bottom plate 8 is driven and shakes, it can be given for a plurality of cylindrical spacing lantern rings 6 through a plurality of bottom plate 7, and then a plurality of small-size reset spring 5 are absorbed for a plurality of spacing connection pieces.
The heat dissipation motor 14 is located directly over the rectangular plastic pore plate 12, the heat dissipation motor 14 is located directly under the rectangular supporting bottom plate 8, the centrifugal pump heat conduction bottom plate 18, the soft heat conduction silica gel sheet 17 and the rectangular supporting bottom plate 8 are fixedly installed through bolts, a plurality of second round heat dissipation through holes 20 are formed in the upper end of the centrifugal pump heat conduction bottom plate 18 in a penetrating mode, a plurality of third round heat dissipation through holes 22 are formed in the upper end of the soft heat conduction silica gel sheet 17 in a penetrating mode, a plurality of first round heat dissipation through holes 16 are formed in the upper end of the centrifugal pump heat conduction bottom plate 18 in a penetrating mode, the added centrifugal pump heat conduction bottom plate 18 and the soft heat conduction silica gel sheet 17 are good in heat conduction performance, heat generated during operation of the centrifugal pump can be conducted, meanwhile the soft heat conduction silica gel sheet 17 is also provided with an anti-vibration and shock absorption function, and the plurality of first round heat dissipation through holes 16, the plurality of third round heat dissipation through holes 22 and the plurality of second round heat dissipation through holes 20 are all communicated, and when the motor 14 drives the plastic fan blades 15 to rotate, and therefore heat dissipation operation can be conducted on the pump housing 19.
As a second embodiment of the present utility model: when the centrifugal pump is operating in vibration (note: the centrifugal pump is the prior art, the working mode and principle of the centrifugal pump are not repeated), the centrifugal pump is transferred to the heat conducting bottom plate 18 of the centrifugal pump, then the heat conducting bottom plate 18 of the centrifugal pump is transferred to the soft heat conducting silica gel sheet 17 for absorption, then the soft heat conducting silica gel sheet 17 is transferred to the rectangular supporting bottom plate 8, the rectangular supporting bottom plate 8 transfers a part of vibration force to the plurality of seat type shock absorbers 9 for shock absorption, meanwhile, the vibration force is transferred to the plurality of cylindrical limiting lantern rings 6 through the plurality of bottom plate connecting blocks 7, the plurality of cylindrical limiting lantern rings 6 can shake in the vertical direction on the annular side surfaces of the plurality of stainless steel fixing rods 4, the plurality of small reset springs 5 can prop against the plurality of cylindrical limiting lantern rings 6 for absorbing and slowing down the vibration force transferred by the cylindrical limiting lantern rings, so that the whole shock absorption of the device is better, when the centrifugal pump works and heats for a long time, the heat of the centrifugal pump shell 19 can be absorbed by the spiral radiating pipe 21 and the cooling liquid in the spiral radiating pipe, and meanwhile, the heat of the centrifugal pump shell 19 can be transmitted to the soft heat-conducting silica gel sheet 17 by the heat-conducting base plate 18, so that the heat at the soft heat-conducting silica gel sheet 17 can be conducted and diffused, meanwhile, the radiating motor 14 is started, the radiating motor 14 can regulate the plastic radiating fan blades 15 to rotate, the rotating plastic radiating fan blades 15 can introduce external air into the fixed type non-cover support shell 2 through the dustproof filter screen 11 and the rectangular plastic pore plate 12 (in the process, the dustproof filter screen 11 can filter dust carried by the air drawn into the fixed type non-cover support shell 2 by the plastic radiating fan blades 15, and therefore, the dust can be prevented from blocking a plurality of first round radiating through holes 16, the plurality of third circular heat dissipation through holes 22 and the plurality of second circular heat dissipation through holes 20), then the rotating plastic heat dissipation fan blade 15 blows cool air to the surfaces of the centrifugal pump housing 19 through the plurality of first circular heat dissipation through holes 16, the plurality of third circular heat dissipation through holes 22 and the plurality of second circular heat dissipation through holes 20 to dissipate heat, meanwhile, the soft heat conduction silica gel sheet 17, the centrifugal pump heat conduction bottom plate 18 and the spiral heat dissipation tube 21 are blown to, so that heat conducted by the soft heat conduction silica gel sheet 17, the centrifugal pump heat conduction bottom plate 18 and the spiral heat dissipation tube 21 can be taken away rapidly, thereby achieving the effect of rapid cooling and heat dissipation, and further not affecting the operation of the centrifugal pump.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A centrifugal pump, includes fixed no lid supporting shell (2), rectangle supporting baseplate (8), centrifugal pump shell (19) and heat dissipation motor (14), its characterized in that: the periphery of the lower end of the inner part of the fixed type non-cover support shell (2) is provided with seat type shock absorbers (9), and the rectangular support bottom plate (8) is transversely positioned in the fixed type non-cover support shell (2) and horizontally arranged at the upper ends of the plurality of seat type shock absorbers (9);
a rectangular through groove (10) is formed in the middle of the lower end of the fixed type non-cover support shell (2), a dustproof filter screen (11) is horizontally arranged at the lower end inside the rectangular through groove (10), a rectangular plastic pore plate (12) is horizontally arranged at the upper end inside the rectangular through groove (10), a motor fixing frame (13) is arranged at the lower end of the fixed type non-cover support shell (2), a heat dissipation motor (14) is arranged inside the motor fixing frame (13), and plastic heat dissipation fan blades (15) are arranged at the upper end of the heat dissipation motor (14);
the centrifugal pump is characterized in that a soft heat conduction silica gel sheet (17) is attached to the upper end of the rectangular supporting bottom plate (8), a centrifugal pump heat conduction bottom plate (18) is integrally installed at the lower end of the centrifugal pump housing (19), the centrifugal pump heat conduction bottom plate (18) is located in the rectangular supporting bottom plate (8) and attached to the upper end of the soft heat conduction silica gel sheet (17), a spiral radiating pipe (21) is sleeved on the annular side face of the centrifugal pump housing (19), and cooling liquid is arranged in the spiral radiating pipe (21).
2. A centrifugal pump according to claim 1, wherein: the periphery of the lower end of the fixed non-cover support shell (2) is provided with high-strength stainless steel support legs (1).
3. A centrifugal pump according to claim 1, wherein: the fixed type non-cover support shell is characterized in that the left end and the right end of the inside of the fixed type non-cover support shell (2) are respectively provided with a mounting groove, the front end and the rear end of the inside of each mounting groove are respectively and longitudinally provided with a stainless steel fixing rod (4), and the upper ends of the two mounting grooves are respectively and fixedly provided with a fixed type strip-shaped baffle (3).
4. A centrifugal pump according to claim 3, wherein: the other ends of the stainless steel fixing rods (4) are respectively fixed on the front side and the rear side of the lower ends of the two fixed type strip-shaped baffles (3), and the annular side faces of the stainless steel fixing rods (4) are respectively sleeved with two small reset springs (5) and a cylindrical limit sleeve ring (6).
5. A centrifugal pump according to claim 4, wherein: every cylindrical spacing lantern ring (6) is located between two small-size reset springs (5) respectively, and bottom plate connecting block (7) are all installed to a plurality of cylindrical spacing lantern ring (6) other end, a plurality of bottom plate connecting block (7) are fixed with rectangle supporting baseplate (8) all around respectively.
6. A centrifugal pump according to claim 1, wherein: the heat dissipation motor (14) is located right above the rectangular plastic pore plate (12), and the heat dissipation motor (14) is located right below the rectangular support bottom plate (8).
7. A centrifugal pump according to claim 1, wherein: the centrifugal pump heat conduction bottom plate (18), the soft heat conduction silica gel piece (17) and the rectangular support bottom plate (8) are fixedly installed through bolts, a plurality of second round heat dissipation through holes (20) are formed in the upper end of the centrifugal pump heat conduction bottom plate (18) in a penetrating mode, a plurality of third round heat dissipation through holes (22) are formed in the upper end of the soft heat conduction silica gel piece (17) in a penetrating mode, and a plurality of first round heat dissipation through holes (16) are formed in the upper end of the centrifugal pump heat conduction bottom plate (18) in a penetrating mode.
8. A centrifugal pump according to claim 7, wherein: the first circular heat dissipation through holes (16), the third circular heat dissipation through holes (22) and the second circular heat dissipation through holes (20) are all communicated and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320007821.2U CN219345094U (en) | 2023-01-04 | 2023-01-04 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320007821.2U CN219345094U (en) | 2023-01-04 | 2023-01-04 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345094U true CN219345094U (en) | 2023-07-14 |
Family
ID=87108295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320007821.2U Active CN219345094U (en) | 2023-01-04 | 2023-01-04 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345094U (en) |
-
2023
- 2023-01-04 CN CN202320007821.2U patent/CN219345094U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU YAOYAO CASTING INDUSTRY Co.,Ltd. Assignor: JIANGSU YAOYAO MACHINERY TECHNOLOGY CO.,LTD. Contract record no.: X2023980053827 Denomination of utility model: A centrifugal pump Granted publication date: 20230714 License type: Common License Record date: 20231224 Assignee: Jiangsu Yijun Heavy Industry Machinery Manufacturing Co.,Ltd. Assignor: JIANGSU YAOYAO MACHINERY TECHNOLOGY CO.,LTD. Contract record no.: X2023980053824 Denomination of utility model: A centrifugal pump Granted publication date: 20230714 License type: Common License Record date: 20231224 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A centrifugal pump Granted publication date: 20230714 Pledgee: Jiangsu Hongze Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU YAOYAO MACHINERY TECHNOLOGY CO.,LTD. Registration number: Y2024980003290 |